RE: database decommission checklist

Life catches up with characters like Madoff sooner or later. Unless one lives 
as a hermit, tracks are hard to cover. And it usually takes more than erasing 
what's on a disk to cover them ;-)

Julio

From: Howard Latham [mailto:howard.latham@xxxxxxxxx]
Sent: Tuesday, June 30, 2009 9:56 AM
To: QuijadaReina, Julio C
Cc: oracle-l@xxxxxxxxxxxxx; dcowles@xxxxxxxxxx; Brandon.Allen@xxxxxxxxxxx; 
Mark.Bobak@xxxxxxxxxxxx
Subject: Re: database decommission checklist

You really think one write to a disk is enough - Well so long as you aren't 
Dexter or Madoff!
2009/6/30 QuijadaReina, Julio C 
<QuijadJC@xxxxxxxxxxxxxxx<mailto:QuijadJC@xxxxxxxxxxxxxxx>>

On Linux, you can use a tool called 'shred'. It will repeatedly write 25 times 
over on the disk. Make it a little harder to recover data if that is your 
intent.



Julio





From: oracle-l-bounce@xxxxxxxxxxxxx<mailto:oracle-l-bounce@xxxxxxxxxxxxx> 
[mailto:oracle-l-bounce@xxxxxxxxxxxxx<mailto:oracle-l-bounce@xxxxxxxxxxxxx>] On 
Behalf Of Bobak, Mark

Sent: Friday, June 26, 2009 5:40 PM
To: Brandon.Allen@xxxxxxxxxxx; dcowles@xxxxxxxxxx<mailto:dcowles@xxxxxxxxxx>; 
oracle-l@xxxxxxxxxxxxx<mailto:oracle-l@xxxxxxxxxxxxx>

Subject: RE: database decommission checklist



And, might I add, when it comes to wiping the disk, one good wipe is all it 
takes, contrary to what government standards say.....



I challenge anyone to recover data from a disk after a single pass of:

dd if=/dev/zero of=/dev/sd0



You do that, the data is gone, and it's not coming back....



-Mark



From: oracle-l-bounce@xxxxxxxxxxxxx<mailto:oracle-l-bounce@xxxxxxxxxxxxx> 
[mailto:oracle-l-bounce@xxxxxxxxxxxxx<mailto:oracle-l-bounce@xxxxxxxxxxxxx>] On 
Behalf Of Allen, Brandon
Sent: Friday, June 26, 2009 4:42 PM
To: dcowles@xxxxxxxxxx<mailto:dcowles@xxxxxxxxxx>; 
oracle-l@xxxxxxxxxxxxx<mailto:oracle-l@xxxxxxxxxxxxx>
Subject: RE: database decommission checklist



I would just add wiping the disk, or taking a sledgehammer to it if it's really 
sensitive data and you'll be decommissioning the hardware too, and then other 
little things like updating documentation and maybe any clients, e.g. 
tnsnames.ora files, that need to be updated.



Regards,

Brandon







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--
Howard A. Latham

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